/* =========================================================
   THE LIST — shared shopping list
   Design concept: a control-panel HUD for the kitchen —
   dark glass surfaces, neon category signal-colors, a
   glowing scan-line strike when an item gets checked off,
   and a lockdown-style toggle on the admin console.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --bg-0: #05070d;
  --bg-1: #0b0f1a;
  --board: rgba(255, 255, 255, 0.045);
  --board-hover: rgba(255, 255, 255, 0.07);
  --board-line: rgba(255, 255, 255, 0.09);
  --ink: #e8edf7;
  --ink-soft: #8993a8;

  --marker-blue: #2fd8ff;
  --marker-blue-soft: rgba(47, 216, 255, 0.14);
  --marker-red: #ff4d6d;
  --marker-red-soft: rgba(255, 77, 109, 0.14);
  --marker-green: #3cf0a0;
  --marker-green-soft: rgba(60, 240, 160, 0.14);
  --marker-purple: #b06bff;
  --marker-purple-soft: rgba(176, 107, 255, 0.14);
  --marker-amber: #ffc857;
  --marker-amber-soft: rgba(255, 200, 87, 0.14);
  --marker-teal: #34e8d4;
  --marker-teal-soft: rgba(52, 232, 212, 0.14);
  --marker-pink: #ff7ad1;
  --marker-pink-soft: rgba(255, 122, 209, 0.14);

  --radius: 16px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --glow-cyan: 0 0 18px rgba(47, 216, 255, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(47, 216, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 800px 600px at 100% 0%, rgba(176, 107, 255, 0.09), transparent 55%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
  background-attachment: fixed;
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100vh;
  padding-bottom: 100px;
}

.app-shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 8px;
}

.board-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.board-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1;
  margin: 0;
  background: linear-gradient(100deg, #ffffff 20%, var(--marker-blue) 60%, var(--marker-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.board-subtitle {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 5px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
}

.admin-pin-link {
  font-size: 12px;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid var(--board-line);
  padding: 7px 12px;
  border-radius: 20px;
  background: var(--board);
  white-space: nowrap;
  backdrop-filter: blur(10px);
  transition: border-color 0.15s, color 0.15s;
}
.admin-pin-link:active { border-color: var(--marker-blue); color: var(--marker-blue); }

.locked-banner {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--marker-red-soft);
  color: var(--marker-red);
  border: 1px solid rgba(255, 77, 109, 0.35);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 18px;
  box-shadow: 0 0 20px rgba(255, 77, 109, 0.12);
}
.locked-banner.show { display: flex; }

.scheduled-banner {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--marker-blue-soft);
  color: var(--marker-blue);
  border: 1px solid rgba(47, 216, 255, 0.3);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 18px;
}
.scheduled-banner.show { display: flex; }

.add-bar-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg-1) 60%, rgba(11, 15, 26, 0));
}

.suggestions {
  max-width: 640px;
  margin: 0 auto 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.suggestion-chip {
  background: var(--board);
  border: 1px solid var(--board-line);
  border-radius: 20px;
  padding: 7px 13px;
  font-size: 13.5px;
  color: var(--ink);
  cursor: pointer;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}
.suggestion-chip:active { transform: scale(0.97); border-color: var(--marker-blue); }
.suggestion-chip .cat-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 6px;
  box-shadow: 0 0 6px currentColor;
}

.add-bar {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--board-line);
  border-radius: 18px;
  padding: 6px 6px 6px 16px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.add-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  font-family: 'Inter', sans-serif;
  background: transparent;
  color: var(--ink);
}
.add-bar input::placeholder { color: #556; }

.add-bar button {
  border: none;
  background: linear-gradient(135deg, var(--marker-blue), var(--marker-purple));
  color: #05070d;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: var(--glow-cyan);
}
.add-bar button:disabled { opacity: 0.3; box-shadow: none; }

.category-section {
  margin-bottom: 22px;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  padding: 3px 4px;
  margin-bottom: 9px;
  text-transform: uppercase;
}

.category-tag .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}

.category-count {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-soft);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--board);
  border: 1px solid var(--board-line);
  border-radius: 13px;
  padding: 12px 12px;
  box-shadow: var(--shadow-sm);
  cursor: grab;
  position: relative;
  backdrop-filter: blur(10px);
  transition: background 0.15s, border-color 0.15s;
}
.item-row:active { background: var(--board-hover); }
.item-row.dragging { opacity: 0.35; }
.item-row.drag-over { outline: 1.5px dashed var(--marker-blue); outline-offset: 2px; }

.item-check {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid var(--board-line);
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  color: #05070d;
  font-size: 13px;
  font-weight: 700;
}
.item-row.checked .item-check {
  border-color: var(--marker-green);
  background: var(--marker-green);
  box-shadow: 0 0 12px rgba(60, 240, 160, 0.6);
}

.item-text-wrap {
  flex: 1;
  min-width: 0;
  position: relative;
}

.item-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.item-row.checked .item-name { color: var(--ink-soft); }

.strike-svg {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
}
.strike-svg path {
  fill: none;
  stroke: url(#strike-gradient);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 340;
  stroke-dashoffset: 340;
  filter: drop-shadow(0 0 4px rgba(60, 240, 160, 0.7));
}
.item-row.checked .strike-svg path {
  animation: draw-strike 0.3s ease-out forwards;
}

@keyframes draw-strike {
  to { stroke-dashoffset: 0; }
}

.item-cat-select {
  font-size: 11px;
  border: 1px solid var(--board-line);
  border-radius: 8px;
  padding: 3px 6px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.04);
}

.item-delete-btn {
  background: none;
  border: none;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 6px;
  flex-shrink: 0;
  border-radius: 8px;
}
.item-delete-btn:active { background: var(--marker-red-soft); color: var(--marker-red); }
.item-row.checked .item-delete-btn,
.item-row.checked .item-cat-select { opacity: 0.5; }

.clear-checked-btn {
  display: block;
  margin: 4px auto 24px;
  background: none;
  border: 1px dashed var(--board-line);
  color: var(--ink-soft);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
}
.clear-checked-btn:active { border-color: var(--marker-blue); color: var(--marker-blue); }

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  padding: 60px 20px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
}

.admin-shell {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 20px;
}

.admin-card {
  background: var(--board);
  border-radius: var(--radius);
  border: 1px solid var(--board-line);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.admin-card h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ink);
}

.admin-card p.hint {
  color: var(--ink-soft);
  font-size: 13.5px;
  margin: 0 0 20px;
}

.admin-card input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--board-line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-size: 16px;
  margin-bottom: 12px;
}

.admin-card button.primary {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--marker-blue), var(--marker-purple));
  color: #05070d;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  box-shadow: var(--glow-cyan);
}

.admin-error {
  color: var(--marker-red);
  font-size: 13px;
  margin: -4px 0 12px;
  display: none;
}
.admin-error.show { display: block; }

.lock-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-top: 1px solid var(--board-line);
  margin-top: 6px;
}

.lock-toggle-label {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}
.lock-toggle-label span {
  display: block;
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 12.5px;
  margin-top: 2px;
}

.switch {
  position: relative;
  width: 52px; height: 30px;
  flex-shrink: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--board-line);
  border-radius: 30px;
  transition: 0.2s;
}
.slider::before {
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  left: 3px; top: 2px;
  background: var(--ink-soft);
  border-radius: 50%;
  transition: 0.2s;
}
.switch input:checked + .slider {
  background: rgba(255, 77, 109, 0.18);
  border-color: var(--marker-red);
  box-shadow: 0 0 14px rgba(255, 77, 109, 0.45);
}
.switch input:checked + .slider::before {
  transform: translateX(22px);
  background: var(--marker-red);
  box-shadow: 0 0 8px rgba(255, 77, 109, 0.8);
}

.admin-actions {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-actions button.secondary {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--board-line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 14px;
  cursor: pointer;
}
.admin-actions button.secondary:active { border-color: var(--marker-blue); color: var(--marker-blue); }

.schedule-section {
  border-top: 1px solid var(--board-line);
  padding-top: 16px;
  margin-top: 6px;
}

.schedule-section .label-row {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 3px;
}

.schedule-section .tz-note {
  color: var(--ink-soft);
  font-size: 12px;
  margin-bottom: 12px;
}

.schedule-section input[type="datetime-local"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--board-line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 10px;
  color-scheme: dark;
}

.schedule-active {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--marker-blue-soft);
  border: 1px solid rgba(47, 216, 255, 0.3);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--marker-blue);
  margin-bottom: 10px;
}
.schedule-active.show { display: flex; }
.schedule-active button {
  background: none;
  border: 1px solid rgba(47, 216, 255, 0.4);
  color: var(--marker-blue);
  border-radius: 8px;
  padding: 5px 9px;
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
}
.back-link:active { color: var(--marker-blue); }

@media (max-width: 380px) {
  .board-title { font-size: 25px; }
}